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Subtract 18/45 from 20/2

1st number: 10 0/2, 2nd number: 18/45

20/2 - 18/45 is 48/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 is 90
  2. For the 1st fraction, since 2 × 45 = 90,
    20/2 = 20 × 45/2 × 45 = 900/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    18/45 = 18 × 2/45 × 2 = 36/90
  4. Subtract the two fractions:
    900/90 - 36/90 = 900 - 36/90 = 864/90
  5. After reducing the fraction, the answer is 48/5
  6. In mixed form: 93/5

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